एपीए उद्धरण

Bono, E. d. (1979). Future positive: A book for the energetic eighties. London: Penguin Books.

शिकागो स्टाइल उद्धरण

Bono, Edward de. Future Positive: A Book for the Energetic Eighties. London: Penguin Books, 1979.

एमएलए उद्धरण

Bono, Edward de. Future Positive: A Book for the Energetic Eighties. London: Penguin Books, 1979.